Q3 2018 summary: 33% warmer, 1% more usage and 7% less sun as compared to Q3 2017.
This is part of our quarterly home performance reporting. All data is posted at netplusdesign.com
Nothing exciting to report, which is normal for 3rd quarters.
At 7am on July 15th we became net positive for the year. As of the end of September, we have a surplus of 1,115 kWh heading into the final months of 2018. That’s about 211 less kWhs than last year at this time. Overall for the year, our solar production is down about 7%.
Overall, here’s how this quarter compared to 2017.
| 2017 | Usage | Solar PV | Net usage or (surplus) |
Avg. daily usage |
HDD |
| Total | 1,045 | 2,657 | (1,611) | 11.4 | 254 |
| Jul | 322 | 848 | (527) | 10.4 | 39 |
| Aug | 377 | 944 | (567) | 12.2 | 73 |
| Sep | 347 | 864 | (517) | 11.6 | 143 |
| 2018 | Usage | Solar PV | Net usage or (surplus) |
Avg. daily usage |
HDD |
| Total | 1,056 | 2,483 | (1,427) | 11.5 | 171 |
| Jul | 386 | 986 | (601) | 12.4 | 28 |
| Aug | 317 | 809 | (491) | 10.2 | 17 |
| Sep | 353 | 688 | (335) | 11.8 | 126 |
All values in kWh (except HDD which is base 65°F).
Water usage was down 7%. Hot water usage down 13%.
You can see heat maps and detailed charts of temperature and electrical usage at netplusdesign.com. View hourly, daily and monthly values for solar, usage, net usage, circuit-level usage, temperatures and HDD.
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